OFFLINE

What's Tamer DS? and how do I increase it?
and what do I do when my tamer is tired?

OFFLINE

tamer DS helps you stay digivolved. you can increase it by leveling up your tamer or adding DS attributes to clothing that it can be applied to (glasses, hats, etc.) to keep your tamer DS up while you're digivolved so you stay digivolved, you need to use vitamns you can buy in the vending machines. when your tamer gets tired, you need to restore it's fatigue. to do this you can buy a restoring item for silk in the cash shop or just go back to town and it will restore it.

OFFLINE

Tamer DS is Digi-Soul and use for to evo your digimon and maintain it form for period of time. The more DS you have the longer the digimon can maintain it form.
You can increase by level up your tamer level or equip with DS attribute clothes such as sunglass.

When your tamer is tired go to town to restore or use food pill if any

OFFLINE

Its the blue bar below your tamer HP. Something like MP.
You need it to let your digivolution stay longer.
You can increase via DS Attributes for accessories and headgears